clk: samsung: add support for 145xx and 1460x PLLs
PLL145xx is similar to PLL35xx and PLL1460x is almost similar
to PLL46xx with minor differences in bit positions. Hence,
reuse the functions defined for pll_35xx and pll_46xx to
support 145xx and 1460x PLLs respectively.
Signed-off-by: Naveen Krishna Ch <naveenkrishna.ch@gmail.com>
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Reviewed-by: Thomas Abraham <thomas.ab@samsung.com>
Tested-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c
index b07fad2..9d70e5c 100644
--- a/drivers/clk/samsung/clk-pll.c
+++ b/drivers/clk/samsung/clk-pll.c
@@ -482,6 +482,8 @@
#define PLL46XX_VSEL_MASK (1)
#define PLL46XX_MDIV_MASK (0x1FF)
+#define PLL1460X_MDIV_MASK (0x3FF)
+
#define PLL46XX_PDIV_MASK (0x3F)
#define PLL46XX_SDIV_MASK (0x7)
#define PLL46XX_VSEL_SHIFT (27)
@@ -511,13 +513,15 @@
pll_con0 = __raw_readl(pll->con_reg);
pll_con1 = __raw_readl(pll->con_reg + 4);
- mdiv = (pll_con0 >> PLL46XX_MDIV_SHIFT) & PLL46XX_MDIV_MASK;
+ mdiv = (pll_con0 >> PLL46XX_MDIV_SHIFT) & ((pll->type == pll_1460x) ?
+ PLL1460X_MDIV_MASK : PLL46XX_MDIV_MASK);
pdiv = (pll_con0 >> PLL46XX_PDIV_SHIFT) & PLL46XX_PDIV_MASK;
sdiv = (pll_con0 >> PLL46XX_SDIV_SHIFT) & PLL46XX_SDIV_MASK;
kdiv = pll->type == pll_4650c ? pll_con1 & PLL4650C_KDIV_MASK :
pll_con1 & PLL46XX_KDIV_MASK;
- shift = pll->type == pll_4600 ? 16 : 10;
+ shift = ((pll->type == pll_4600) || (pll->type == pll_1460x)) ? 16 : 10;
+
fvco *= (mdiv << shift) + kdiv;
do_div(fvco, (pdiv << sdiv));
fvco >>= shift;
@@ -573,14 +577,21 @@
lock = 0xffff;
/* Set PLL PMS and VSEL values. */
- con0 &= ~((PLL46XX_MDIV_MASK << PLL46XX_MDIV_SHIFT) |
+ if (pll->type == pll_1460x) {
+ con0 &= ~((PLL1460X_MDIV_MASK << PLL46XX_MDIV_SHIFT) |
+ (PLL46XX_PDIV_MASK << PLL46XX_PDIV_SHIFT) |
+ (PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT));
+ } else {
+ con0 &= ~((PLL46XX_MDIV_MASK << PLL46XX_MDIV_SHIFT) |
(PLL46XX_PDIV_MASK << PLL46XX_PDIV_SHIFT) |
(PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT) |
(PLL46XX_VSEL_MASK << PLL46XX_VSEL_SHIFT));
+ con0 |= rate->vsel << PLL46XX_VSEL_SHIFT;
+ }
+
con0 |= (rate->mdiv << PLL46XX_MDIV_SHIFT) |
(rate->pdiv << PLL46XX_PDIV_SHIFT) |
- (rate->sdiv << PLL46XX_SDIV_SHIFT) |
- (rate->vsel << PLL46XX_VSEL_SHIFT);
+ (rate->sdiv << PLL46XX_SDIV_SHIFT);
/* Set PLL K, MFR and MRR values. */
con1 = __raw_readl(pll->con_reg + 0x4);
@@ -1190,6 +1201,9 @@
/* clk_ops for 35xx and 2550 are similar */
case pll_35xx:
case pll_2550:
+ case pll_1450x:
+ case pll_1451x:
+ case pll_1452x:
if (!pll->rate_table)
init.ops = &samsung_pll35xx_clk_min_ops;
else
@@ -1223,6 +1237,7 @@
case pll_4600:
case pll_4650:
case pll_4650c:
+ case pll_1460x:
if (!pll->rate_table)
init.ops = &samsung_pll46xx_clk_min_ops;
else
diff --git a/drivers/clk/samsung/clk-pll.h b/drivers/clk/samsung/clk-pll.h
index c0ed4d4..213de9a 100644
--- a/drivers/clk/samsung/clk-pll.h
+++ b/drivers/clk/samsung/clk-pll.h
@@ -33,6 +33,10 @@
pll_s3c2440_mpll,
pll_2550xx,
pll_2650xx,
+ pll_1450x,
+ pll_1451x,
+ pll_1452x,
+ pll_1460x,
};
#define PLL_35XX_RATE(_rate, _m, _p, _s) \